<template>
	<!-- 充值中心 -->
	<view class="container" v-if="userInfo.user_id">
		<view class="account-panel dis-flex flex-y-center">
			<view class="panel-lable">
				<text>账户余额</text>
			</view>
			<view class="panel-balance flex-box">
				<text>￥{{ userInfo.balance }}</text>
			</view>
		</view>

		<view class="recharge-panel">
			<!-- 充值套餐 -->
			<view class="recharge-plan clearfix">
				<block v-for="(item, index) in planList" :key="index">
					<view class="recharge-plan_item" :class="{ active: selectedPlanId == item.plan_id }"
						@click="onSelectPlan(item.plan_id)">
						<view class="plan_money">
							<text>{{ item.money }}</text>
						</view>
						<view class="plan_gift" v-if="item.gift_money > 0">
							<text>送{{ item.gift_money }}</text>
						</view>
					</view>
				</block>
			</view>

			<!-- 手动充值输入框 -->
			<view class="recharge-input" v-if="setting.is_custom == 1">
				<input type="digit" placeholder="请输入充值金额" v-model="inputValue" @input="onChangeMoney" />
			</view>

			<!-- 确认按钮 -->
			<view class="recharge-submit btn-submit">
				<form @submit="onSubmit">
					<button class="button" formType="submit" :disabled="disabled">立即充值</button>
				</form>
			</view>
		</view>


		<!-- 充值描述 -->
		<view class="recharge-describe">
			<view class="recharge-label">
				<text>充值说明</text>
			</view>
			<view class="content">
				<text space="ensp">{{ setting.describe }}</text>
			</view>
		</view>

	</view>
</template>

<script>
	import * as UserApi from '@/api/user'
	import * as RechargeApi from '@/api/recharge'
	import * as PlanApi from '@/api/recharge/plan'
	import SettingModel from '@/common/model/Setting'
	import SettingKeyEnum from '@/common/enum/setting/Key'
	import {
		wxPayment
	} from '@/core/app'

	export default {
		data() {
			return {
				// 正在加载
				loading: true,
				// 会员信息
				userInfo: {},
				// 充值设置
				setting: {},
				// 充值方案列表
				planList: [],
				// 按钮禁用
				disabled: false,
				// 当前选中的套餐id
				selectedPlanId: 0,
				// 自定义金额
				inputValue: ''
			}
		},
		/**
		 * 生命周期函数--监听页面加载
		 * 参数为上一个页面通过 uni.navigateTo(OBJECT)等方法url的query携带
		 * 例如 uni.navigateTo({ url: 'pages/test?id=1&name=张三' })
		 */
		onLoad(options) {
			// 获取页面数据
			this.getPageData()
		},
		methods: {
			// 获取页面数据
			getPageData() {
				const that = this
				this.loading = true
				Promise.all([that.getUserInfo(), that.getSetting(), that.getPlanList()])
					.then(() => that.loading = false)
			},

			// 获取会员信息
			getUserInfo() {
				const that = this
				return new Promise((resolve, reject) => {
					UserApi.info()
						.then(res => {
							that.userInfo = res.data.userInfo
							resolve(that.userInfo)
						})
				})
			},
			// 获取充值设置
			getSetting() {
				const that = this
				return new Promise((resolve, reject) => {
					SettingModel.item(SettingKeyEnum.RECHARGE.value, false)
						.then(data => {
							that.setting = data
							resolve(data)
						})
				})
			},
			// 获取充值方案列表
			getPlanList() {
				const that = this
				return new Promise((resolve, reject) => {
					PlanApi.list()
						.then(res => {
							that.planList = res.data.list
							resolve(that.planList)
						})
				})
			},

			/**
			 * 选择充值套餐
			 */
			onSelectPlan(planId) {
				this.selectedPlanId = planId
				this.inputValue = ''
			},

			// 金额输入框
			onChangeMoney(e) {
				this.inputValue = e.target.value
				this.selectedPlanId = 0
			},

			// 立即充值
			onSubmit(e) {
				const that = this
				// 按钮禁用
				this.disabled = true
				// 提交到后端 选择的套餐、自定义充值金额
				RechargeApi.submit({ planId: that.selectedPlanId, customMoney: that.inputValue })
					.then(res => {
						console.log(res);
						// that.wxPayment(res.data.payment)
					})
					.finally(() => that.disabled = false)
			},
			
			// 发起微信支付
			wxPayment(option) {
				const that = this
				wxPayment(option)
					.then(() => {
						that.$success('支付成功')
						setTimeout(() => {
						  // 获取页面数据
						  app.getPageData()
						}, 1500)
					})
					.catch(err => that.$error('订单未支付'))
			}
		}
	}
</script>

<style lang="scss" scoped>
	page,
	.container {
		background: #fff;
	}

	.container {
		padding-bottom: 70rpx;
	}

	/* 账户面板 */
	.account-panel {
		width: 650rpx;
		height: 180rpx;
		margin: 50rpx auto;
		padding: 0 60rpx;
		box-sizing: border-box;
		border-radius: 12rpx;
		color: #fff;
		background: linear-gradient(-125deg, #a46bff, #786cff);
		box-shadow: 0 5px 22px 0 rgba(0, 0, 0, 0.26);
	}

	.panel-lable {
		font-size: 32rpx;
	}

	.recharge-label {
		color: rgb(51, 51, 51);
		font-size: 28rpx;
		margin-bottom: 25rpx;
	}

	.panel-balance {
		text-align: right;
		font-size: 46rpx;
	}

	.recharge-panel {
		margin-top: 60rpx;
		padding: 0 60rpx;
	}

	/* 充值套餐 */
	.recharge-plan {
		.recharge-plan_item {
			width: 192rpx;
			padding: 15rpx 0;
			float: left;
			text-align: center;
			color: #888;
			border: 1rpx solid rgb(228, 228, 228);
			border-radius: 10rpx;
			margin: 0 20rpx 20rpx 0;

			&:nth-child(3n + 0) {
				margin-right: 0;
			}

			&.active {
				color: #786cff;
				border: 1rpx solid #786cff;

				.plan_money {
					color: #786cff;
				}
			}
		}

	}

	.plan_money {
		font-size: 32rpx;
		color: rgb(82, 82, 82);
	}

	.plan_gift {
		font-size: 25rpx;
	}

	.recharge-input {
		margin-top: 25rpx;

		input {
			border: 1rpx solid rgb(228, 228, 228);
			border-radius: 10rpx;
			padding: 15rpx 16rpx;
			font-size: 26rpx;
		}
	}

	/* 立即充值 */
	.recharge-submit {
		margin-top: 70rpx;
	}

	.btn-submit {
		.button {
			font-size: 30rpx;
			background: #786cff;
			border: none;
			color: white;
			border-radius: 50rpx;
			padding: 0 120rpx;
			line-height: 3;
		}

		// 属性选择器
		.button[disabled] {
			background: #a098ff;
			border-color: #a098ff;
			color: white;
		}
	}

	/* 充值说明 */
	.recharge-describe {
		margin-top: 50rpx;
		padding: 0 60rpx;

		.content {
			font-size: 26rpx;
			line-height: 1.6;
			color: #888;
		}
	}
</style>
